Exposure
ID
MATIS.2025-07-17T06:29:35.936_1
Header ID
MATIS.2025-07-17T06:29:35.936
Date updated
2025-07-17 06:35:49 UTC+0000
Release date
2026-07-17 06:35:49 UTC+0000
UTC Start
2025-07-17 06:29:35.936
UTC End
2025-07-17 06:30:35.996
MJD Start
60873.27055481
MJD End
60873.271249948884
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.00427
Ambient temperature (°C)
13.77
Seeing (arcsec)
0.825
Observation
ID
68119
Category
science
Program ID
115.27VC.005
Program Title
UNVEILING THE MASS-LOSS PROCESS OF RED SUPERGIANTS: IMAGING THE RED SUPERGIANT VX SAGITARII WITH VLTI AND ALMA
Program Type
Normal
PI / COI
JADLOVSKY / WITTKOWSKI / CHIAVASSA / KRAVCHENKO / KRTICKA / PALADINI / HÖFNER / FREYTAG / HUMPHREYS
Target
ID
50630
Name
V VX Sgr
RA
272.015659
DEC
-22.22406
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
SI_PHOT_LM_LOW
Instrument sub-mode
HYBRID
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 72.7640 72.6430 146.9000 147.2000
A0-J2 91.9450 91.6140 118.1000 118.3000
A0-K0 91.2930 90.9220 87.3510 87.4370
G1-J2 44.9680 44.8270 66.9000 67.0000
G1-K0 83.0710 82.9790 38.2990 38.3160
J2-K0 48.6360 48.6370 11.9980 12.1000
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.27VC.005
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT
MJD-OBS 60873.27055481
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME V VX Sgr
RA 272.015659
DEC -22.22406
HIERARCH ESO DET NAME MATISSE-LM
HIERARCH ESO INS FIL NAME LM
HIERARCH ESO INS FIL ID LM
HIERARCH ESO INS DIL NAME LOW
HIERARCH ESO INS DIL ID LOW
HIERARCH ESO INS MODE HYBRID
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 0.111056
HIERARCH ESO DET SEQ1 PERIOD 0.273
HIERARCH ESO DET NDIT 220
HIERARCH ESO ISS PBL12 START 72.764
HIERARCH ESO ISS PBL12 END 72.643
HIERARCH ESO ISS PBLA12 START 146.9
HIERARCH ESO ISS PBLA12 END 147.2
HIERARCH ESO ISS PBL13 START 91.945
HIERARCH ESO ISS PBL13 END 91.614
HIERARCH ESO ISS PBLA13 START 118.1
HIERARCH ESO ISS PBLA13 END 118.3
HIERARCH ESO ISS PBL14 START 91.293
HIERARCH ESO ISS PBL14 END 90.922
HIERARCH ESO ISS PBLA14 START 87.351
HIERARCH ESO ISS PBLA14 END 87.437
HIERARCH ESO ISS PBL23 START 44.968
HIERARCH ESO ISS PBL23 END 44.827
HIERARCH ESO ISS PBLA23 START 66.9
HIERARCH ESO ISS PBLA23 END 67.0
HIERARCH ESO ISS PBL24 START 83.071
HIERARCH ESO ISS PBL24 END 82.979
HIERARCH ESO ISS PBLA24 START 38.299
HIERARCH ESO ISS PBLA24 END 38.316
HIERARCH ESO ISS PBL34 START 48.636
HIERARCH ESO ISS PBL34 END 48.637
HIERARCH ESO ISS PBLA34 START 11.998
HIERARCH ESO ISS PBLA34 END 12.1
HIERARCH ESO ISS AMBI TAU0 START 0.00427
HIERARCH ESO ISS AMBI TAU0 END 0.00427
HIERARCH ESO ISS AMBI TEMP 13.77
HIERARCH ESO ISS AMBI FWHM START 0.84
HIERARCH ESO ISS AMBI FWHM END 0.81